... assembly cylindrical structure, easy to adjust space between impeller and front liner. Can be removed completely when repaired. Grease ... ores, refuse ores, ashes, cinders, cements, mud, mineral stones and . in the industries of metallurgy, mining, coal, power, ... for delivering slurry with strong abrasion and high concentration for metallurgy, mines, coal and power plant, etc6.Structure of product 7 ...